/*
 * @Description: 请输入描述信息
 * @Version: 请输入版本号
 * @Autor: renmengxue
 * @Date: 2021-07-26 15:00:04
 * @LastEditors: renmengxue
 * @LastEditTime: 2021-07-27 11:34:16
 */

import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home'
Vue.use(VueRouter)

const routes = [

  {
    path: '/',
    redirect: '/login'
  },
  // 路由重定向，让页面默认访问登陆页面
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home
  }
]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from代表从那个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行  next('/login) 强制性跳转

  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
